B41851A7476M

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Aluminum electrolytic capacitors are used in all sorts of applications, from consumer electronics to industrial environments, and span many different industries. The B41851A7476M aluminum electrolytic capacitor is a popular option, with a variety of useful features and benefits. In this article, we\'ll take a look at its application field and working principle.

Applications

The B41851A7476M is an ideal choice for applications that require a medium temperature range and high ripple current. These traits make them useful in a variety of applications. For example, it can be used in power supplies, DC-to-DC converters, and any circuit that requires efficient energy storage and delivery, such as embedded control systems, amplifier circuits, and pulse circuit power sources.

The B41851A7476M is also great for circuit protection. It can protect circuits from over-voltage and reverse polarity, and it has inrush current capability that is higher than typical electrolytic capacitors. Since it is designed to handle high ripple current, it can be used in circuits with high switching frequencies.

The B41851A7476M offers reliability since it is designed with an enhanced vibration resistance. This makes it an ideal capacitor for use in heavy transportation industries and other environments where vibration is present. It is also able to handle a wide temperature range, allowing it to be used in extreme temperature environments.

Working Principle

Aluminum electrolytic capacitors, including the B41851A7476M, store electricity in an electrolytic solution. The capacitor is composed of two aluminum foils that are rolled together and inserted into a cylindrical case, which provides electrical isolation for the capacitor. The capacitor also includes a paper insulator and an electrolyte solution.

When the capacitor is subjected to a voltage, electrical current flows between the two aluminum foils and the electrolyte solution. This current causes the electrolyte to oxidize the aluminum foil, creating a thin layer of insulating aluminum oxide between the two foils. This oxide layer is several thousand times thinner than a human hair. The oxide layer increases particlely as more current flows and forms a correct voltage across the capacitor.

The B41851A7476M, like other electrolytic capacitors, has a self-healing dampening effect when the inrush current is large. The inrush current creates a pulse that causes the capacitor to shift its operating curve, thus lowering the stored energy and incurring minimal capacitance loss. Over time, when the applied pulse current has passed, the capacitance of the capacitor will return to its original values.

Conclusion

The B41851A7476M aluminum electrolytic capacitor is a reliable and efficient type of capacitor for a variety of applications. Its high ripple current capabilities and enhanced vibration resistance make it an ideal choice for heavy transportation, embedded control systems, and other circuits that require efficient energy storage and delivery. It is also capable of self-healing when an inrush current is present.

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